Now available on the App Store, Gravity Force educates tweens on the concept of gravity in a delightful puzzle game that spans multiple levels and difficulties.  The concept is simple – get the ball in the cup as fast as you can.   Obstacles in your path makes things tricky, and once you complete all twelve levels, you can replay the game on different gravity levels such as the moon or Jupiter.  At any point, you can take a break from the game to watch educational videos that further explore the science of gravity.  Download this free game today and test your skills!